Hemispheric Organization of Visual Memory: Analyzing Visual Working Memory With Brain Measures

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

We review research investigating the reactivation of memory representations through the combined use of behavioral, event-related brain potential, and optical measures. We assume that (1) early stimulus processing creates memory representations in the same brain regions that participated in that processing; and (2) re-exposure to the same stimuli results in brain and behavioral responses that reflect the initial processing. Hence, if stimuli are presented using a divided field paradigm, the ensuing memory representations should be lateralized to the hemisphere contralateral to the side of initial presentation. By studying differential adaptation in the two hemispheres, aspects of the memory representations can be accessed, supporting the hemispheric organization of visual memories and showing that at least some memory phenomena depend on latent activations triggered by the initial stimulus presentation. This approach can also be used to reveal the relative timing of reactivation of visual memory representations.

Original languageEnglish (US)
Title of host publicationMechanisms of Sensory Working Memory
Subtitle of host publicationAttention and Perfomance XXV
PublisherElsevier Inc.
Pages75-88
Number of pages14
ISBN (Electronic)9780128013717
ISBN (Print)9780128110430
DOIs
StatePublished - Jan 1 2015

Keywords

  • Adaptation
  • Divided-field paradigm
  • Event-related brain potentials (ERPs)
  • Event-related optical signal (EROS)
  • Visual memory

ASJC Scopus subject areas

  • Medicine(all)
  • Neuroscience(all)

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